Creature — Vampire 4/4 (Color Indicator: Black)
Common
{T}, Tap an untapped Vampire you control: Transform Chosen of Markov.
". . . and for that I shall be eternally grateful."
Illus. Steve Argyle

1/22/2011: You can tap any untapped Vampire you control, including one you haven't controlled continuously since the beginning of your most recent turn, to pay the cost of Chosen of Markov's activated ability. You must have controlled Chosen of Markov continuously since the beginning of your most recent turn, however.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Extended (Type 1.X)
Legal in Standard (Type 2)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern